21000213292

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{659}}^1\times {\mathrm{112207}}^1$

素因数の和:112941

約数の個数: 24

約数和(自身を含む): 37324869120

約数和(自身を除く): 16324655828

約数列:

[1, 2, 4, 71, 142, 284, 659, 1318, 2636, 46789, 93578, 112207, 187156, 224414, 448828, 7966697, 15933394, 31866788, 73944413, 147888826, 295777652, 5250053323, 10500106646, 21000213292]

約数ペア:

[(1, 21000213292), (2, 10500106646), (4, 5250053323), (71, 295777652), (142, 147888826), (284, 73944413), (659, 31866788), (1318, 15933394), (2636, 7966697), (46789, 448828), (93578, 224414), (112207, 187156)]